MartinLogan Motion 15i vs. Polk T50

MartinLogan Motion 15i Bookshelf Speaker vs. Polk T50 150 Watt Tower Speakers
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MartinLogan Motion 15i Bookshelf Speaker

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Dimensions (H × W × D)

11.40” × 6.80” × 9.50”
290 mm × 173 mm × 241 mm

A midsized rear-ported bookshelf, featuring a 5.25” low-frequency transducer and a folded motion high frequency transducer, which MartinLogan claims replicates much of the performance of their high-end elecrostatic speakers. May need to be paired with a subwoofer if sub-60Hz bass is a priority.

Polk T50 150 Watt Tower Speakers

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Dimensions (H × W × D)

36.50” × 9.25” × 8.75”
927 mm × 235 mm × 222 mm

Good tower speakers for a starter system. The Polk T50s are known for punchy bass and and overall warm sound. Even though they are not ported, they can be sensitive to room placement, so experiment with positioning.

Comparisons

  • The front face of the Polk T50 is approximately 335.53% larger than that of the MartinLogan Motion 15i.
  • The depth of the MartinLogan Motion 15i is approximately 8.57% deeper than that of the Polk T50.
  • The spatial volume of the Polk T50 150 Watt Tower Speakers is approximately 301.15% greater than that of the MartinLogan Motion 15i Bookshelf Speaker.

Note: the above comparisons are based on the dimensions of a bounding rectangle that would fit the front face of a speaker. In the case of volume, measurements are based on a cube that would enclose the speaker entirely. These measurements do not take into account variations in the speaker shape, such as curves, diagonal edges, or cutaways. These measurements cannot be relied upon to measure the internal volume of the speaker.

More Information

Our website will allow you to compare the sizes of bookshelf, satellite, tower, and center channel speakers and subwoofers for audiophile and home theater usage. We will keep adding new speakers in response to user feedback. We have also compiled a list of review sites for each speaker. If you know of any equipment you would like to see featured on this website, send us a message.

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Disclaimer: the speaker sizes listed on this website are correct to the best of our knowledge, but we do not guarantee the accuracy of the data. Please double-check any dimensions with the manufacturer before making a final purchasing decision.